1887

Abstract

Summary

Cell extracts prepared by ultrasonic disruption of 17 strains of the complex and related taxa were compared by polyacrylamide gel electrophoresis and, for immunologic relatedness, by skin test reactions. Two organisms, and , gave similar gel patterns and skin test reactions, and are considered to be identical. Extracts of showed a strong antigenic relationship with those of three organisms (325, 324 and 420) previously assigned to the ‘’ complex. Two Gordona organisms appeared to be less antigenically related to the ‘’ complex. Extracts of three of four organisms designated Lspi ( Rowbotham & Cross 1976 ) elicited skin test reactions similar to those of the ‘’ strains. One Lspi strain, 650, showed striking similarities to the ‘’ complex strain 420 ().

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/content/journal/micro/10.1099/00221287-100-2-363
1977-06-01
2021-05-12
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